PERIODIC MAINTENANCE AND ADJUSTMENT
7-18
7
TIP
If the specified idling speed cannot be
obtained as described above, have a
Yamaha dealer make the adjustment.
EAU21383
Checking the throttle cable
free play
The throttle cable free play should mea-
sure 3.0–5.0 mm (0.12–0.20 in) at the
inner edge of the throttle grip. Periodi-
cally check the throttle cable free play
and, if necessary, have a Yamaha deal-
er adjust it.
EAU21401
Valve clearance
The valve clearance changes with use,
resulting in improper air-fuel mixture
and/or engine noise. To prevent this
from occurring, the valve clearance
must be adjusted by a Yamaha dealer
at the intervals specified in the periodic
maintenance and lubrication chart.
1. Idle adjusting screw
Engine idling speed:
1450–1650 r/min
1
(b)
(a)
1. Throttle cable free play
1
U32D25E0.book Page 18 Wednesday, January 20, 2010 10:59 AM